Abstract
Purpose. The aim is to estimate the content of pro- and anti-inflammatory cytokines (IL-1β, IL-8, IL-10, MCP-1, ICAM-1, VEGF) in tear of patients with advanced proliferative diabetic retinopathy and complicated primary cataract after phacoemulsification surgery and IOL implantation with vitreoretinal surgery accomplished at once in comparison with vitreoretinal surgery only. Material and methods. 34 cases of surgery treatment of patients with PDR and complicated primary cataract were enrolled. This patients were divided into two groups depending on the treatment tactics. In the 1st group patients were subjected to a two–step surgical procedure: vitreoretinal surgery (VRS) with silicone oil tamponade performed as the 1st step in their treatment; followed by the 2nd step, phacoemulsification surgery and silicone oil removal, and the IOL implantation, respectively. In the 2nd group phacoemulsification performed simultaneously with vitreoretinal surgery: phacoemulsification, IOL implantation, vitreoretinal surgery with silicone oil tamponade. The second step differed in the removal of silicone oil from the vitreous cavity. On the 2nd day after the 1st step surgery and before surgical treatment the tear samples of the patients of both groups have been examined. Results. A concentration of the following cytokines: IL-8, MCP-1, ICAM-1 in the 2nd group was 2,5-5 times higher than in the 1st group. Conclusion. The research revealed that the patients with advanced PDR are accurately determined by the increased concentration of IL-8, MCP-1, ICAM-1 in tear after phacoemulsification surgery and IOL implantation with vitreoretinal surgery accomplished at once in comparison with vitreoretinal surgery only. Keywords: cytokines, diabetic retinopathy, cataract, vitreoretinal surgery.
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